Design and Simulation of Polarized Neutron Reflectometry at CARR

Rong Deng Liu; Yun Tao Liu; Dong Feng Chen; Tian Fu Li

doi:10.4028/www.scientific.net/AMM.548-549.668

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 548-549Design and Simulation of Polarized Neutron...

Design and Simulation of Polarized Neutron Reflectometry at CARR

Abstract:

In order to make best use of the neutron flux, a polarized neutron reflectometry with vertical sample geometry is simulated by Vitess package based on Monte Carlo method. The results prove that the neutron flux gain up to a factor reaches 4.3 and the vertical neutron angle divergence is proved, when the optimal tilting angle of the vertically focusing geranium monochromator is 1.3°. At last the optimal separations of horizontal blades of slit packages are optimized. The parameters can be an instruction for polarized neutron reflectometry construction or project analysis in the future.

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Periodical:

Applied Mechanics and Materials (Volumes 548-549)

Pages:

668-672

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.548-549.668

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Online since:

April 2014

Authors:

Rong Deng Liu*, Yun Tao Liu, Dong Feng Chen, Tian Fu Li

Keywords:

Design Model, Monte Carlo Simulation, Neutron Reflectometry

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* - Corresponding Author

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